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Filers›Hedge Fund›GAGNON SECURITIES LLC
DOSSIER · 13F-HR · Q1 2026

GAGNON SECURITIES LLC

GAGNON SECURITIES's hedge fund based in San Francisco, CA — $433M in tracked AUM across 85 positions as of Q1 2026.

GS
GAGNON SECURITIES·San Francisco, CA·Hedge Fund
CIK 0001125725 · last filed Mar 31, 2026
Total AUM
$433M
▲ 4.4%
vs prior
Holdings
85
—
positions
Whale Score
57
57
tracked
Activity
—
no data
changes this Q
Top sector
Financials
4% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

GAGNON SECURITIES LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
ENSG
ENSIGN GROUP INC
$36M180K8.4%
02
CDNA
CAREDX INC
$31M1.8M7.1%
03
AMRC
AMERESCO INC
$21M840K4.9%
04
WGS
GENEDX HOLDINGS CORP
$19M303K4.5%
05
EPD
ENTERPRISE PRODS PARTNERS L P
$19M514K4.5%
06
Y62132108
NAVIGATOR HLDGS LTD
$17M887K4.0%
07
EQIX
EQUINIX INC
$17M17K3.8%
08
GNRC
GENERAC HLDGS INC
$15M75K3.4%
09
ISRG
INTUITIVE SURGICAL INC
$15M32K3.4%
10
PCRX
PACIRA BIOSCIENCES INC
$14M618K3.2%

Filing history

Filing history loading…
AI Agent · grounded in GAGNON
haiku-4-5 · 85 positions indexed
Sector mix
  • Financials4%
  • Health Care18%
  • Cons. Disc.10%
  • Communications8%
  • Industrials35%
  • Other25%
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